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12273 (1990 TS4)
Classification: Main-belt Asteroid          SPK-ID: 2012273
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06385226432462109 5.3257e-08  
a 2.635692915592792 2.1004e-08 au
q 2.46739795486783 1.4662e-07 au
i 10.01005957466644 5.9502e-06 deg
node 101.2098773793703 3.1899e-05 deg
peri 296.5505545633298 5.8149e-05 deg
M 319.9504160797353 5.0578e-05 deg
tp 2457574.374601833646
(2016-Jul-04.87460183)
0.00022022 JED
period 1562.934006623725
4.28
1.8683e-05
5.115e-08
d
yr
n .2303360208904006 2.7534e-09 deg/d
Q 2.803987876317754 2.2345e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1038  
   data-arc span      10111 days (27.68 yr)  
   first obs. used      1988-03-18  
   last obs. used      2015-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52081  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:20:19  

Additional Information
 Earth MOID = 1.49387 au 
 Jupiter MOID = 2.48322 au 
 T_jup = 3.373 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3 mag n/a MPO263459  

12273 (1990 TS4)          Discovered 1990-Oct-09 by McNaught, R. H. at Siding Spring
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 TS4 = 1988 FR1 = 1990 UN11 = 1996 BB18 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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